Herek, R. J. (1998). These men have seen hard service: The First Michigan Sharpshooters in the Civil War. Wayne State University Press.
Chicago-čujuhus (17. p.)Herek, Raymond J. These Men Have Seen Hard Service: The First Michigan Sharpshooters in the Civil War. Detroit: Wayne State University Press, 1998.
MLA-čujuhus (9. p.)Herek, Raymond J. These Men Have Seen Hard Service: The First Michigan Sharpshooters in the Civil War. Wayne State University Press, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.